Data show that water ice was on the surface of Comet Tempel 1.
When Deep Impact smashed into comet Tempel 1 on July 4, 2005, it released the ingredients of our solar system's primordial "soup."
This movie is made up of images taken by Deep Impact's flyby spacecraft.
This movie shows Deep Impact's approach to comet Tempel 1.
Deep Impact is headed for comet Tempel 1 and a new interactive Flash feature details the historic event.